142023384 has 96 divisors (see below), whose sum is σ = 397800000. Its totient is φ = 45752256.

The previous prime is 142023377. The next prime is 142023397. The reversal of 142023384 is 483320241.

142023384 is a `hidden beast` number, since 1 + 420 + 233 + 8 + 4 = 666.

142023384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×142023384³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284367 + ... + 284865.

It is an arithmetic number, because the mean of its divisors is an integer number (4143750).

Almost surely, 2^142023384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142023384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198900000).

142023384 is an abundant number, since it is smaller than the sum of its proper divisors (255776616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142023384 is a wasteful number, since it uses less digits than its factorization.

142023384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 142023384 is about 11917.3564182666. The cubic root of 142023384 is about 521.7389807898.

The spelling of 142023384 in words is "one hundred forty-two million, twenty-three thousand, three hundred eighty-four".